Stop forward declaring WebKitClient.

webkit/support/webkit_support.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WEBKIT_SUPPORT_WEBIT_SUPPORT_H_
 #define WEBKIT_SUPPORT_WEBIT_SUPPORT_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/string16.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDevToolsAgentClient.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFileSystem.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebKitClient.h"
 #include "ui/base/keycodes/keyboard_codes.h"
 
 class WebURLLoaderMockFactory;
 namespace WebKit {
 class WebApplicationCacheHost;
 class WebApplicationCacheHostClient;
 class WebCString;
 class WebFileSystemCallbacks;
 class WebFrame;
-class WebKitClient;
 class WebMediaPlayer;
 class WebMediaPlayerClient;
 class WebPlugin;
 class WebString;
 class WebThemeEngine;
 class WebURL;
 class WebURLRequest;
 class WebURLResponse;
 struct WebPluginParams;
 struct WebURLError;
@@ skipping 177 matching lines @@
     VKEY_F1 = ui::VKEY_F1,
 };
 
 // - Timers
 
 double GetForegroundTabTimerInterval();
 
 }  // namespace webkit_support
 
 #endif  // WEBKIT_SUPPORT_WEBIT_CLIENT_IMPL_H_